53344215 has 48 divisors (see below), whose sum is σ = 98998848. Its totient is φ = 26477568.

The previous prime is 53344189. The next prime is 53344219. The reversal of 53344215 is 51244335.

It is a de Polignac number, because none of the positive numbers 2^k-53344215 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53344219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 78457 + ... + 79133.

It is an arithmetic number, because the mean of its divisors is an integer number (2062476).

Almost surely, 2^53344215 is an apocalyptic number.

53344215 is a deficient number, since it is larger than the sum of its proper divisors (45654633).

53344215 is a wasteful number, since it uses less digits than its factorization.

53344215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808 (or 805 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 53344215 is about 7303.7124121915. The cubic root of 53344215 is about 376.4400099125.

The spelling of 53344215 in words is "fifty-three million, three hundred forty-four thousand, two hundred fifteen".